Molecular dynamics modeling of hydrogen-induced plastic deformation and cracking of ɑ-iron
Journal of Materials Science & Technology(2024)
摘要
•Defined a critical hydrogen concentration causing transition of hydrogen-enhanced local plasticity to hydrogen-constrained plastic deformation.•Determined the occurrence of dislocation pinning and piling up at high hydrogen concentration.•Clarified the contributions of hydrogen and cyclic loading to enhanced vacancy generation at grain boundaries.
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关键词
molecular dynamics modeling,plastic deformation,cracking,hydrogen-induced
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